Leiden Muscular Dystrophy pages©
New DMD (CA)n -repeats
(modified last January 25, 2001)
Contents
Per marker:
1. Marker details
2. Primer details
3. Allele frequencies
4. PCR-conditions
a. PCR ingredients
b. PCR-cycling
Markers:
DMDSTR07A
DMDSTR07A has been contributed to these pages by Sander Kneppers, Dept. Human Genetics,
Leiden University Medical Center (E-mail sander@ruly46.MedFac.LeidenUniv.nl).
1. Marker details
Localization
Xp21.1
Heterozygosity frequency
0.68
Length most frequent allele
226 bp
Length variation alleles
218-235 bp
Number of alleles found
12
2. Primer details
Name
Localization
Sequence
Forward primer
DMDSTR07A-F
intron 7: 22,068-22,085
ttctggttttctggtctg
Reverse primer
DMDSTR07A-R
intron 7: 22,298-22,279
gaatcaatctctctgtcaag
3. Allele frequencies
Allele number
Length in bp
Frequency
218
0.04
224
0.08
225
0.06
226
0.44
227
0.02
228
0.08
229
0.06
230
0.08
231
0.06
233
0.02
234
0.02
235
0.04
NOTE: frequencies determined on 50 chromosomes.
DMDSTR07B
DMDSTR07B has been contributed to these pages by Sander Kneppers, Dept. Human Genetics,
Leiden University Medical Center (E-mail sander@ruly46.MedFac.LeidenUniv.nl).
1. Marker details
Localization
Xp21.1
Heterozygosity frequency
0.44
Length most frequent allele
231 bp
Length variation alleles
227-241 bp
Number of alleles found
7
2. Primer details
Name
Localization
Sequence
Forward primer
DMDSTR07B-F
intron 7: 23,231-23,250
agctattatctgagaaagtc
Reverse primer
DMDSTR07B-R
intron 7: 23,462-23,443
tgaggtgaatttattaaggg
3. Allele frequencies
Allele number
Length in bp
Frequency
227
0.02
229
0.04
231
0.70
233
0.12
235
0.08
237
0.02
239
-
241
0.02
NOTE: frequencies determined on 50 chromosomes.
DMD-P20 (DXS269)
DMD-P20 DXS269) has been contributed to these pages by Sander Kneppers, Dept. Human
Genetics, Leiden University Medical Center (E-mail sander@ruly46.MedFac.LeidenUniv.nl).
1. Marker details
Localization
Xp21.1
Heterozygosity frequency
0.59
Length most frequent allele
220 bp
Length variation alleles
216-241 bp
Number of alleles found
7
2. Primer details
Name
Localization
Sequence
Forward primer
DMD-P20F
intron 44: 2,948-2,967 (M86524)
acagaaggggaggtacagca
Reverse primer
DMD-P20R
intron 44: 3,185-3,164 (M86524)
gccacaacatatgcttgaaaga
3. Allele frequencies
Allele number
Length in bp
Frequency
216
0.09
220
0.59
224
0.04
228
0.17
230
0.04
239
0.06
241
0.02
NOTE: frequencies determined on 54 chromosomes.
PCR-conditions
a. PCR ingredients
Component
PCR-reaction
name
concentration stock
final concentration
amount in ”l
autoclaved water
-
-
15.4
SuperTaq buffer
10 * buffer
1 * buffer
2.5
dNTP's
2 mM
0.2 mM
2.5
primer mix
25 ”M of each primer
0.5 ”M
0.5
MgCl2
25 mM
-
-
DMSO
100 %
-
-
BSA
10 mg/ml
-
-
Taq-polymerase
5U/”l
0.5 U
0.1
alpha-32 P-dCTP
1”Ci/”l
-
-
DNA template
50 ng/”l
200 ng
4
final volume PCR
25
b. PCR-cycling
PCR step
temperature in șC
time in sec.
number of cycli
denaturation template
95
300
1
denaturation
94
30
30
annealing
55
30
elongation
72
30
final elongation
72
300
1
store
4
1
| Top of page | PCR-able
(CA)n -repeats | DMD/BMD home page |
| Remarks / information | Copyright©,
liability |